MSI Baltimore features a 3,500 sq. ft. showroom for flooring and wall tile and a 15,000 sq. ft. dedicated slab selection showroom. The slab showroom displays over 300 colors of granite, marble, quartz and other natural stone slabs. MSI Baltimore features over 85,000 total sq. ft., approximately 300 truckloads of inventory, and over 9,000 slabs of granite countertops. MSI is one of the largest Baltimore granite and Baltimore Granite countertop suppliers.